An electric toothbrush includes a handle and a brush head attached to one end of the handle. The brush head includes a bristle unit and an ultrasound sensor. The bristle unit cleans teeth and the ultrasound sensor acquires ultrasound data of the teeth. A portable tooth decay detection device includes a handle and an ultrasound sensor attached to one end of the handle. The ultrasound sensor emits and receives ultrasound signal at a frequency of higher than 20 KHz and acquires ultrasound data of teeth.
Legal claims defining the scope of protection, as filed with the USPTO.
1. An electric toothbrush comprising: a handle; and a brush head attached to one end of the handle, the brush head including a bristle unit and an ultrasound sensor, wherein the bristle unit cleans teeth and the ultrasound sensor acquires ultrasound data of the teeth; and wherein the ultrasound sensor is attached to the handle, and the bristle unit is detachably slid onto and surrounds the ultrasound sensor.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
December 22, 2016
September 18, 2018
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